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-rw-r--r--ebml/src/unflatten.rs64
1 files changed, 0 insertions, 64 deletions
diff --git a/ebml/src/unflatten.rs b/ebml/src/unflatten.rs
deleted file mode 100644
index e1dd0a2..0000000
--- a/ebml/src/unflatten.rs
+++ /dev/null
@@ -1,64 +0,0 @@
-use crate::{matroska::MatroskaTag, Master};
-use anyhow::Result;
-
-pub struct Unflat<'a> {
- pub item: MatroskaTag,
- pub children: Option<Unflatten<'a>>,
-}
-
-pub struct Unflatten<'a> {
- inner: &'a mut dyn Iterator<Item = Result<MatroskaTag>>,
- stop: bool,
- end: Option<MatroskaTag>,
-}
-
-impl<'a> Unflatten<'a> {
- pub fn new(inner: &'a mut dyn Iterator<Item = Result<MatroskaTag>>) -> Self {
- Self {
- inner,
- stop: false,
- end: None,
- }
- }
-
- pub fn next(&mut self) -> Option<Result<Unflat>> {
- if self.stop {
- return None;
- }
- match self.inner.next() {
- None => None,
- Some(Err(e)) => Some(Err(e)),
- Some(Ok(item)) => {
- let master = MatroskaTag::is_master(item.id()).unwrap();
- if Some(&item) == self.end.as_ref() {
- self.stop = true;
- None
- } else {
- Some(Ok(Unflat {
- children: if master {
- let end =
- MatroskaTag::construct_master(item.id(), Master::End).unwrap();
- if end == item {
- return None;
- }
- Some(Unflatten {
- inner: self.inner,
- stop: false,
- end: Some(end),
- })
- } else {
- None
- },
- item,
- }))
- }
- }
- }
- }
-}
-
-impl Drop for Unflatten<'_> {
- fn drop(&mut self) {
- while let Some(_) = self.next() {}
- }
-}